Q:What are some key characteristics of cloud computing?
A:On-demand self-service, distributed storage, rapid elasticity, automated management, broad network access, resource pooling, measured service, virtualization technology.

Q:Name three common service models in cloud computing.
A:Infrastructure-as-a-Service (IaaS), Platform-as-a-Service (PaaS), Software-as-a-Service (SaaS).

Q:What does Infrastructure-as-a-Service (IaaS) provide?
A:Fundamental IT resources like storage, networking, and computing power.

Q:What is the main purpose of Platform-as-a-Service (PaaS)?
A:To provide a platform for developers to build, deploy, and manage applications without dealing with the underlying infrastructure.

Q:What does Software-as-a-Service (SaaS) deliver?
A:Application software over the Internet on a subscription basis.

Q:What are the four main cloud deployment models?
A:Public Cloud, Private Cloud, Community Cloud, Hybrid Cloud.

Q:What are the advantages and disadvantages of a public cloud?
A: Advantages: Simplicity, efficiency, low cost, reduced maintenance.
A: Disadvantages: Security risks, lack of control, slower performance.

Q:What is a private cloud?
A:A cloud environment dedicated to a single organization, providing greater control and security.

Q:What is a hybrid cloud?
A:A combination of private and public clouds to achieve greater flexibility and optimization.

Q:What is a multi-cloud strategy?
A:Using services from multiple cloud providers to enhance reliability and performance.

Q:Why is separation of responsibilities important in cloud computing?
A:To prevent conflicts and security breaches by clearly defining roles and responsibilities.

Q:Who are the significant actors in the NIST cloud computing reference architecture?
A:Cloud Consumer, Cloud Provider, Cloud Carrier, Cloud Auditor, Cloud Broker.

Q:What are the three layers of cloud storage architecture?
A:Front-End Layer, Middleware Layer, Back-End Layer.

Q:What is a Virtual Private Cloud (VPC)?
A:A secure, isolated private cloud hosted within a public cloud.

Q:How does AI enhance cloud computing?
A:Automates workflows, reduces costs, improves data management, increases productivity, enhances security, and aids in decision-making.

Q:What ensures high availability in a cloud environment?
A:Dividing servers into zones and maintaining network consistency to handle failures without losing data.

Q:What is the purpose of cloud integration?
A:To group multiple cloud environments together, enabling continuous access and management of systems, services, and data.

Q:What is the significance of cloud auditing?
A:To analyse and verify cloud services' conformity to privacy, security, and performance requirements, ensuring availability and compliance.

Q:What is the function of security groups in cloud infrastructure?
A:To control inbound and outbound traffic, preventing DoS attacks and unauthorized access.

Q:Why is instance awareness important in cloud security?
A:To differentiate between legitimate and fake cloud instances, protecting against threats like data exfiltration and SaaS phishing.

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